/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicMesh3.h
enumerable object for one-ring triangles of a vertex, suitable for use with range-based for, ie for ( int i : VtxTrianglesItr(VertexID) )
[vtx_triangles_enumerable](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3\vtx_triangles_enumerable) VtxTrianglesItr ( int VertexID ) const